JPH10337839A - Stencil printing method, stencil printing original plate, manufacture of the original plate, and stencil printer - Google Patents

Stencil printing method, stencil printing original plate, manufacture of the original plate, and stencil printer

Info

Publication number
JPH10337839A
JPH10337839A JP15126797A JP15126797A JPH10337839A JP H10337839 A JPH10337839 A JP H10337839A JP 15126797 A JP15126797 A JP 15126797A JP 15126797 A JP15126797 A JP 15126797A JP H10337839 A JPH10337839 A JP H10337839A
Authority
JP
Japan
Prior art keywords
stencil printing
film
ink
solvent
plate
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
JP15126797A
Other languages
Japanese (ja)
Inventor
Koichi Uchiyama
耕一 内山
Original Assignee
Riso Kagaku Corp
理想科学工業株式会社
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Riso Kagaku Corp, 理想科学工業株式会社 filed Critical Riso Kagaku Corp
Priority to JP15126797A priority Critical patent/JPH10337839A/en
Publication of JPH10337839A publication Critical patent/JPH10337839A/en
Pending legal-status Critical Current

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B41PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41CPROCESSES FOR THE MANUFACTURE OR REPRODUCTION OF PRINTING SURFACES
    • B41C1/00Forme preparation
    • B41C1/14Forme preparation for stencil-printing or silk-screen printing
    • B41C1/147Forme preparation for stencil-printing or silk-screen printing by imagewise deposition of a liquid, e.g. from an ink jet; Chemical perforation by the hardening or solubilizing of the ink impervious coating or sheet
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B41PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41MPRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
    • B41M1/00Inking and printing with a printer's forme
    • B41M1/12Stencil printing; Silk-screen printing

Abstract

PROBLEM TO BE SOLVED: To solve a problem of conventional stencil printing such as offset, or spoilage at the time of starting after leaving to stand for a long period. SOLUTION: An ink layer 3 is provided on one side surface of a base material 2. The layer 3 is a solid ink layer at the ambient temperature by dispersing solvent soluble coloring material ink in a layer forming material such as resin. A surface of the layer 3 is covered with a film 4. A printing surface of a printing sheet 5 is covered with solvent 6 for dissolving the ink. The film 4 of a stencil printing original plate 1 is engraved by a thermal printer head. An engraved part 7 is formed on the film. The film 4 is brought into contact with the surface coated with the solvent 6 of the sheet 5, and the both are pressurized. The solvent 6 of the sheet 5 is transferred from a perforated part 7 of the film to dissolve part of the layer 3. The ink of the layer 3 is transferred from the part 7 to the sheet 5. Since the ink of necessary amount is transferred to the sheet, a printed matter having no offset is obtained.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a stencil printing method, a stencil printing plate, and a stencil printing apparatus.

[0002]

2. Description of the Related Art Stencil printing is evaluated for its printing speed, printing cost, simple operability and the like, and is used as a simple printing machine all over the world despite the existence of PPC and offset printing machines.

[0003] However, stencil printing also has unsolved problems such as show-through due to difficulty in controlling the ink and generation of waste paper at the time of startup after being left for a long time.

[0004]

SUMMARY OF THE INVENTION The present invention relates to a stencil printing method, a stencil printing plate, and a stencil printing method which do not have problems such as show-through, generation of waste paper upon standing up after a long period of standing, and the like. An object of the present invention is to provide a method of manufacturing a stencil printing plate precursor and a stencil printing apparatus.

[0005]

A stencil printing method according to claim 1, wherein a stencil printing film is provided in close contact with an ink layer containing a solvent-soluble coloring material ink; A solvent capable of dissolving ink is brought into close contact with a printing paper coated with the solvent, and a part of the ink layer is dissolved by supplying the solvent applied to the printing paper to the ink layer through a plate making section of the film, The method is characterized in that the solvent-soluble coloring material ink is transferred onto the printing paper.

[0006] The stencil printing plate according to the second aspect has an ink layer containing a solvent-soluble coloring material ink and a plate-formed film provided in close contact with the surface of the ink layer.

A stencil printing plate according to a third aspect is characterized in that in the stencil printing plate according to the second aspect, the ink layer is provided on a substrate.

The stencil printing plate precursor according to claim 4 is the stencil printing plate precursor according to claim 2, wherein the ink layer is a porous support containing the solvent-soluble coloring material ink, and the film is the stencil printing plate. It is characterized in that it is adhered to a flexible support.

The stencil printing plate according to the fifth aspect is the stencil printing plate precursor according to the fourth aspect, wherein the bonded porous support and the film are attached to one surface of a flexible frame. An adhesive layer protected by release paper is provided on the other surface of the frame.

According to a sixth aspect of the present invention, there is provided a method for producing a stencil printing plate precursor, wherein a fluid material containing a solvent-soluble coloring material ink is applied to one surface of a film and solidified.

A method of manufacturing a stencil printing plate according to claim 7 is the method of manufacturing a stencil printing plate of claim 6, wherein the porous support of the stencil sheet is obtained by bonding a porous support and a film. Further, a fluid material containing a solvent-soluble coloring material ink is applied and solidified.

[0012] In a method of manufacturing a stencil printing plate precursor according to claim 8, a fluid material containing a solvent-soluble coloring material ink is applied to one side of a substrate and a film, and the other of the substrate and the film is applied to the other side. Affixing to the material to solidify the material.

According to a ninth aspect of the present invention, there is provided a method of manufacturing a stencil printing plate precursor, wherein the stencil sheet having at least the film is made into a plate, and the plate-making portion of the film contains a solvent-soluble coloring material ink. It is characterized by providing a material.

According to a tenth aspect of the present invention, in the method of manufacturing a stencil printing plate precursor according to the ninth aspect, the solid material is applied from one side of a stencil printing portion of the film. It is characterized in that a solid material is filled in the plate-making portion of the film.

[0015] In a stencil printing plate manufacturing method according to an eleventh aspect of the present invention, in the stencil printing plate manufacturing method according to the ninth aspect, the solid material comprises a sheet of solid ink containing a solvent-soluble coloring material ink. A solid ink sheet provided on one side of a base material having a shape, wherein the solid ink sheet is provided on one side of a plate-making portion of the film.

A stencil printing machine according to claim 12 is
A stencil printing plate in which a film is closely attached to the surface of an ink layer containing a solvent-soluble coloring material ink is wound around the outer peripheral surface, and a plate cylinder rotatable around its own central axis, and the solvent-soluble color Solvent supply means for supplying a solvent capable of dissolving the material ink to the printing paper; paper feeding means for supplying the printing paper to the plate cylinder; and an outer peripheral surface of the plate cylinder for supplying the printing paper supplied by the paper feeding means. And a pressing means for pressing the pressing member.

[0017] A stencil printing apparatus according to claim 13 is:
The stencil printing machine according to claim 12, wherein the plate cylinder is:
The stencil printing plate is housed inside, the stencil printing plate is supplied from the inside, wound around the outer peripheral surface, and collected inside.

A stencil printing apparatus according to claim 14 is
14. The stencil printing machine according to claim 13, wherein a supply unit for winding the unused stencil printing plate, which is provided inside the plate cylinder, and the unused stencil printing plate unreeled from the supply unit. A supply opening provided in the peripheral wall of the plate cylinder so as to guide the plate outside the plate cylinder, and the stencil printing plate precursor wound around the outer peripheral surface of the plate cylinder and subjected to printing is guided into the plate cylinder. It is characterized by having a collection opening provided on the peripheral wall of the plate cylinder, and a collection unit provided inside the plate cylinder for winding the used stencil printing plate.

A stencil printing device according to claim 15 is
15. The stencil printing machine according to claim 14, further comprising a stencil making means provided near the plate cylinder for making a stencil printing film.

The stencil printing machine according to a twelfth aspect of the present invention is the stencil printing machine according to the twelfth aspect, wherein the stencil printing plate is bonded to the porous support on which the ink layer is formed and the porous support. It is a stencil sheet made of a film. A flexible frame is provided on a side of the porous support of the stencil sheet, and the frame is provided with an adhesive layer adhered to an outer peripheral surface of the plate cylinder. The surface is provided with a holding portion having an outer shape and a thickness corresponding to the inner shape and the thickness of the frame body and coming into contact with the porous support.

The ink layer containing the solvent-soluble coloring material ink in the present invention is composed of a material obtained by dissolving or dispersing the solvent-soluble coloring material ink in a forming material such as a resin, oil, wax, or the like. It can be formed by coating and solidifying it. Further, it may be applied on a film to be made later, or may be contained in a porous support of stencil paper. Alternatively, a stencil sheet made of a porous support and a film may be made in advance, and the solidified material may be applied to a portion of the stencil made from the side of the porous support.

Materials such as resins, fats and oils, waxes and the like which are dissolved or swelled and softened by a solvent applied to a printing paper used in a subsequent printing step are appropriately selected. It is preferable to appropriately mix these so that the dye ink in the ink layer is eluted without excess or deficiency when printing is performed. Solvents applied to printing paper include water, alcohol, acetone, IPA
(Isopropyl alcohol), glycol and the like can be used.

[0023]

The stencil printing plate is mounted on a plate cylinder, and the film of the stencil printing plate is perforated by a thermal stencil making means such as a thermal head. Alternatively, a stencil printing plate on which a film is made in advance is mounted on a plate cylinder. Next, the solvent is thinly applied to the printing paper and sent to the rotating plate cylinder. The transported printing paper is pressed against the plate cylinder by pressing means. The solvent applied to the printing paper dissolves a part of the ink layer through perforations in the film of the stencil printing plate. The surface layer of the ink layer obtains fluidity and is absorbed by the printing paper, and the solvent-soluble coloring material ink transfers to the printing paper.

[0024]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS A first embodiment of the present invention will be described with reference to FIGS. First, the stencil printing plate 1 of the present example will be described. As shown in FIG. 1, an ink layer 3 is provided on one surface of a sheet-like base material 2 such as a resin film. This ink layer 3 is a layer containing a solvent-soluble coloring material ink. The ink layer 3 of this example is a solid ink layer at room temperature in which a solvent-soluble coloring material ink is dispersed in a layer forming material such as a resin, an oil or a wax. The ink layer 3 of this example has a thickness of about 100 μm.

The ink layer 3 of this example was prepared by adding a layer forming material such as a resin, oil and fat, and wax, a basic dye, a dispersant, an oil, a solvent, and the like, and further adding an appropriate adhesive. The material is applied to one surface of the substrate 2 in a molten state or a solution state and solidified.

As the waxes, natural or synthetic waxes are used. The dispersing agent disperses the dye in the solvent, and at the same time, increases the printing density by promoting the elution of the dye into the solvent on the printing paper side during printing, and sorbitan fatty acid ester alkylamine or the like is used. . The oils may be any of vegetable oils and mineral oils used for the melt-type ink, and may be a mixture thereof. The solvent is an aromatic hydrocarbon or a chlorinated hydrocarbon which does not dissolve the dye. Further, as the adhesive, a polyvinyl resin such as a polyvinyl butyral resin, a copolymer of vinyl chloride and vinyl acetate, or ethyl cellulose is used.

In applying these to the substrate 2, any method such as dipping, spraying, or roll coating may be used. If the coating amount is 300 g / m 2 or more, sufficient printing quality can be obtained in the stencil printing method of the present invention.

On the surface (the lower surface in FIG. 1) of the ink layer 3, a film 4 is adhered. As the film 4, for example, a heat-sensitive film is used. As the heat-sensitive film used in the present invention, for example, polyester film, polyethylene terephthalate, polyvinyl chloride film,
A polyvinyl chloride-vinylidene chloride copolymer film is exemplified. Its thickness depends on the material, but usually 10μ
m, preferably in the range of 0.5 to 6.0 μm.
In this example, the thickness was 2 μm.

The stencil printing plate precursor 1 of this embodiment is formed by applying the material of the ink layer 3 to the surface of the base material 2 at an appropriate thickness, and attaching a film 4 to the material. It is also possible to apply the above-mentioned material to the surface of the film 4 at an appropriate thickness, and attach the substrate 2 to the material to form the film.

The printing paper 5 for printing using the stencil printing plate 1 will be described. As shown in FIG. 1, a solvent 6 capable of dissolving the solvent-soluble coloring material ink is applied to the printing surface of the printing paper 5. The solvent applied to the printing paper 5 can be selected from water, alcohol, acetone, IPA (isopropyl alcohol), glycol, etc., or can be used in combination according to the actual composition of the solvent-soluble coloring material ink.

Next, a stencil printing method using the stencil printing original plate 1 and the printing paper 5 will be described. The film 4 of the stencil printing plate 1 is made by thermal plate making means such as a thermal printer head. As shown in FIG. 1, a plate making portion (perforated portion) 7 having a large number of holes is formed on the film in a pattern corresponding to an image. As shown in FIGS. 1 and 2, the film 4 of the stencil printing plate 1 is brought into contact with the surface of the printing paper 5 to which the solvent 6 has been applied. The stencil printing plate precursor 1 and the printing paper 5 that have come into contact with each other are brought into close contact with an appropriate force by some pressing means. The solvent 6 applied to the printing paper 5 passes through the plate making section 7 of the film to form the ink layer 3.
Then, a part of the ink layer 3 is dissolved. The solvent-soluble coloring material ink contained in the dissolved ink layer 3 is transferred onto the printing paper 5 through the holes of the film 4. Printing paper 5
A stencil image corresponding to the plate image is formed on the stencil image.

A more specific composition of the material constituting the ink layer 3 will be described. (Composition example 1) Wax 300 g Calcium stearate 100 g Spirit nigrosine (pigment) 500 g Mineral oil 200 g The above are mixed in a heated and melted state, and coated on a substrate 2 such as a film.

(Composition Example 2) Solvent black (dye) 59 g Polyvinylidene chloride 15 g Vinyl chloride-vinyl acetate polymer 10 g Polyvinyl butyral 20 g Tricrene 200 g The above components are mixed in a heated and molten state, and coated on a substrate 2 such as a film. I do.

The stencil printing plate precursor 1 of the present embodiment described above has a three-layer structure of the base material 2, the ink layer 3, and the film. For example, the stencil printing plate precursor 1 of the present invention can be prepared using a conventional stencil sheet having a heat-sensitive film adhered to an ink-permeable porous support. In that case, the material constituting the ink layer 3 may be melted, filled in the porous support of the stencil paper, and solidified. In this case,
The stencil printing plate 1 has a two-layer structure of an ink layer 3 and a film.

Alternatively, the ink layer 3 may be formed by dissolving the material constituting the ink layer 3 in a heat-sensitive film with a solvent, applying the material to a required thickness, and solidifying the material. Also in this case, the stencil printing plate 1 has a two-layer structure of the ink layer 3 and the film.

Further, in each of the structural examples of the stencil printing plate 1 described above, a heat insulating layer may be provided between the ink layer 3 and the film 4. If there is a heat insulating layer at this position, there is no possibility that the ink layer 3 will be unnecessarily dissolved by the heat generated by the thermal plate making means when the film is made by the thermal plate making means.

Next, a second embodiment of the present invention will be described with reference to FIG. The stencil printing apparatus 10 of the present embodiment has a function of making the stencil printing plate precursor 1 and performing stencil printing. The plate cylinder 11 is a hollow body having a cylindrical peripheral wall, and is rotated around a horizontal central axis 14 by the power of a driving means such as a motor.

The stencil printing plate 1 described with reference to FIGS. 1 and 2 is housed in the plate cylinder 11. The stencil printing plate 1 is wound in a roll shape with the film 4 on the outside, and is rotatably supported by a support shaft 13 of a supply unit 12 inside the plate cylinder 11. The support shaft 13 is parallel to the center axis 14 of the plate cylinder 11. The axial length of the stencil printing plate 1 supported by the support shaft 13, ie, the stencil printing plate 1
Is substantially equivalent to the length along the direction of the central axis 14 of the outer peripheral surface of the plate cylinder 11.

A supply opening 15, which is a slit-shaped opening parallel to the central axis 14, is formed in the peripheral wall of the plate cylinder 11. A supply roller 16 is rotatably provided near the supply opening 15 in the plate cylinder 11. Unused stencil printing plate 1 unwound from supply unit 12 is supplied to supply roller 16.
Through the supply opening 15 to the outside of the plate cylinder 11.

The stencil printing plate 1 guided outside the plate cylinder 11
Is wound along the rotation direction of the plate cylinder 11 around the outer peripheral surface of the plate cylinder 11 with the film 4 facing outward.

A recovery opening 17 which is a slit-shaped opening parallel to the central axis 14 is formed in the peripheral wall of the plate cylinder 11 near the supply opening 15. A collection roller 18 is rotatably provided near the collection opening 17 inside the plate cylinder 11. The stencil printing plate 1 wound around the outer peripheral surface of the plate cylinder 11 passes through the collecting roller 17 through the collecting roller 18 and from the collecting cylinder 17.
1 inside.

Inside the plate cylinder 11, there is provided a collecting section 19 for winding the stencil printing plate 1 wound on the outer peripheral surface of the plate cylinder 11. The collection unit 19 has a collection shaft 20 that winds up the stencil printing plate 1. The collection shaft 20 can be driven by a driving unit, and winds up the stencil printing plate 1 from the outer peripheral surface of the plate cylinder 11 as necessary.

In the vicinity of the plate cylinder 11, there is a sheet feeding means 21.
The paper feeding means 21 has a pair of upper and lower paper feeding rollers 22 and 23 driven by the driving means. The lower paper feed roller 23 has a solvent supply roller 24 as a solvent supply means.
Are in contact. The lower half of the solvent supply roller 24 is the container 2
5 is immersed in the solvent stored in it. This solvent is a solvent that can dissolve the ink layer 3 of the stencil printing plate precursor 1.
The printing paper 5 given to the paper feeding means 21
The solvent is applied to the lower surface while being sent between the plates 2 and 23, and is then sent above the plate cylinder 11.

Immediately above the top of the plate cylinder 11, a pressing means 26 is provided. The pressing means is a pressure roller 27 which can be raised and lowered.
have. The pressure roller 27 presses the printing paper 5 sent from the paper feeding means 21 against the outer peripheral surface of the rotating plate cylinder 11. The lower surface of the printing paper 5 coated with the solvent and the film 4 of the stencil printing plate 1 of the plate cylinder 11 are brought into close contact with each other with a predetermined pressing force. The printing paper 5 is sent while being sandwiched between the plate cylinder 11 and the pressure roller 27.

In the vicinity of the plate cylinder 11, there is provided a thermal head 28 as a thermal plate making means for making a film 4 of the stencil printing plate 1 wound around the outer peripheral surface of the plate cylinder 11.

Next, the operation of the stencil printing machine 10 will be described. First, the stencil printing plate precursor 1 is made. The collection shaft 20 of the collection unit 19 is driven. If the used stencil printing plate 1 is left on the outer peripheral surface of the plate cylinder 11, the used stencil printing plate 1 returns to the inside of the plate cylinder 11 from the collection opening 17 and is wound around the collection shaft 20. At the same time, the unused stencil printing plate 1 is supplied from the inside of the plate cylinder 11 to the supply opening 15.
Is drawn out of the plate cylinder 11 and moves in the circumferential direction along the outer peripheral surface of the plate cylinder 11.

In FIG. 3, the supply opening 15 to the recovery opening 1
The unused stencil printing plate 1 is mounted on the outer peripheral surface in the clockwise direction up to 7. The thermal head 28 is brought into contact with the stencil printing plate 1 of the plate cylinder 11. While rotating the plate cylinder 11, the thermal head 28 is driven in synchronization with the rotation. A desired image is formed on the film 4 of the stencil printing plate 1. If platemaking is started after the unused stencil printing plate 1 is mounted on the plate cylinder 11 in this manner, platemaking with high accuracy without distortion can be performed.

On the other hand, with the plate cylinder 11 stopped,
It is also possible to make an unused stencil printing plate 1 with the thermal head 28 while moving the stencil printing plate 1 along the outer peripheral surface of the plate cylinder 11. In this case, the moving speed of the stencil printing plate 1 by the winding of the collection shaft 20 and
The drilling speed by the thermal head 28 is synchronized. When the movement of the stencil printing plate 1 and the plate making are performed at the same time, the processing time can be shortened as compared with the case where the plate making is performed after the movement.

Next, stencil printing using the stencil printing original plate 1 is performed. The plate cylinder 11 and the sheet feeding means 21 are driven in synchronization.
The printing paper 5 given to the paper feeding means 21
The solvent is applied to the lower surface while being sent between the plates 2 and 23, and is then sent above the plate cylinder 11. Pressure roller 27
Presses the printing paper 5 sent from the paper feeding means 21 against the outer peripheral surface of the rotating plate cylinder 11. The lower surface of the printing paper 5 coated with the solvent and the film 4 of the stencil printing plate 1 of the plate cylinder 11 are brought into close contact with each other with a predetermined pressing force. This printing paper 5
Is sandwiched and sent between the plate cylinder 11 and the pressure roller 27. As described with reference to FIGS. 1 and 2, stencil printing is performed on the surface of the printing paper 5 by the solvent-soluble coloring material ink contained in the ink layer 3 of the stencil printing plate precursor 1.

Next, a third embodiment of the present invention will be described with reference to FIGS. Stencil printing original plate 31 of this example
Is manufactured by the user himself using a stencil sheet 40 and a solid ink 50 containing a solvent-soluble coloring material ink. 4 to 6
The stencil paper 40 shown in (1) has a porous support 41 through which ink passes, and a film 42 adhered to the porous support. A frame 43 is adhered to the stencil sheet 40 on the side of the porous support 41. The frame 43 is rectangular and has flexibility. An adhesive layer 4 of a pressure-sensitive adhesive is provided on the surface of the frame 43.
4 are formed and covered with a release paper 45.

Examples of the film 42 include a heat-sensitive film such as a polyester film, polyethylene terephthalate, a polyvinyl chloride film, a polyvinyl chloride-vinylidene chloride copolymer film, and the thickness varies depending on the material, but is usually 10 μm or less. , Preferably in the range of 0.5 to 6.0 μm.

Examples of the porous support 41 include paper such as Japanese paper made from natural fibers such as manila hemp, pulp, mitsumata and mulberry, synthetic fibers such as polyester, nylon, vinylon and acetate, metal fibers, glass fibers and the like. Woven or non-woven fabrics. These fibers can be used alone or in combination of two or more. The weight of the porous support 412 is usually in the range of 1 to 20 g / m 2 , preferably 5 to 15 / m 2 , in view of the strength of the base paper and the ink permeability. The thickness of the porous support 41 is usually 5 to 100 μm for the same reason as described above.
m, preferably 10 to 50 μm.

The porous support 41 and the film 42
As an adhesive bonding, for example, epoxy resin,
Phenolic resin, polyvinyl acetate, ethylene-vinyl acetate copolymer, vinyl chloride-vinyl acetate copolymer, acrylic resin, polyester, polyurethane, styrene-butadiene copolymer, polyisobutylene, polyisoprene,
Butyl rubber, polyacrylamide, rosin, terpene resin, polystyrene and the like.

Solid ink 5 containing solvent-soluble coloring material ink
0 has a bar shape like a crayon as shown in FIG. The material is as described in (Composition Example 1) and (Composition Example 2).
Is the same as It is preferable to prepare solid inks 50 of various colors by appropriately selecting pigments and dyes.

The stencil sheet 40 is made. An original on which an image including a light-to-heat conversion material such as carbon is formed is prepared. The film 42 side of the stencil sheet 40 is overlaid on the image of the original. Flash light is irradiated from the side of the stencil paper 40 with the two firmly adhered to each other. The photothermal conversion material contained in the image generates heat, and the heat causes the film 42 of the stencil sheet 40 to be perforated in the pattern of the image. As shown in FIG. 5, a plate making portion (perforated portion) 46 having a large number of holes is formed in the film 42.

The stencil sheet 40 may be made using a thermal plate making means such as a thermal head. In addition, plate making means other than heat-sensitive may be used.

As shown in FIGS. 4 and 5, a stencil sheet 40 made with the film 42 face down is placed on a polypropylene plate 47 as a support table. From the side of the porous support 41, a solid ink 50 of a desired color is applied to a desired position on the plate making unit. Since the polypropylene plate 47 can be easily removed even if the solid ink 50 adheres, and serves as a support for the stencil paper 40, the solid ink 50 is applied to the inside of the porous support 41 as shown in FIG. The holes of the plate making section 46 of the film 42 are filled. Thus, the porous support 41 provided with the ink layer 51 containing the solvent-soluble coloring material ink, and the plate-making film 4 adhered thereto.
2 was formed.

Next, a stencil printing apparatus 60 for performing stencil printing using the stencil printing original plate 31 will be described with reference to FIG. On the front side of the frame 61, a cylindrical mounting portion 62 is provided so as to be rotatable around a horizontal rotating shaft 63. The rotating shaft 63 has a crank-shaped handle 6.
4 are connected. When the operator rotates the handle 64, the mounting portion 62 rotates. On the outer peripheral surface of the mounting portion 62, a holding portion 65 to which the stencil printing plate 31 is mounted is provided. The holding section 65 is provided with the stencil 4
0 is a rectangle having an outer shape and thickness corresponding to the inner shape and thickness of the frame 43. The holding portion 65 is made of a flexible or elastic material such as a hard sponge. As shown in FIG.
The stencil printing plate 31 is rolled, and the stencil printing plate 31 is attached to the outer peripheral surface of the mounting portion 62 so that the holding portion 65 is inserted into the frame 43. Glue detachably. The surface of the holding section 65 contacts the porous support 41.

On the back side of the frame 61, a pair of paper feed rollers 66 and 67 as paper feed means are provided. The paper feed rollers 66 and 67 rotate in conjunction with the driving of the mounting section 62, and convey the printing paper 5 supplied from the opening 68 on the back side of the frame 61 toward the mounting section 62.

A solvent application cassette 69 as a solvent supply means is provided between the mounting section 62 and the paper feed rollers 66 and 67. The solvent application cassette 69 includes the frame 61
Can be attached to and detached from. A solvent is stored inside the solvent application cassette 69. The solvent contained in the solvent application cassette 69 is a solvent that can dissolve the solid ink 50. A driven roller 70 is provided at a supply port through which the solvent application cassette 69 supplies the solvent. On the side surface of the solvent application cassette 69, there is a driven gear 70a that is linked to the driven roller 70. A drive roller 71 is provided on the frame 61 at a position where the solvent application cassette 69 is mounted. The driving roller 71 is
It rotates in conjunction with the driving of the mounting portion 62. A drive gear 7 linked to a drive roller 71 is provided on a side surface of the frame 61.
1a. When the solvent application cassette 69 is mounted at a predetermined position on the frame 61, the driven roller 70 and the driving roller 71
Constitute a pair of paper feed rollers as paper feed means, and the driven gear 70a and the drive gear 71a mesh with each other. The printing paper 5 sent from the paper feeding rollers 66 and 67 is sandwiched between the driving roller 71 and the driven roller 70 and is attached to the mounting section 62.
Is transported below. Meanwhile, the solvent in the solvent application cassette 69 is applied to the upper surface of the printing paper 5 via the driven roller 70.

The pressing means 7 is provided below the mounting portion 62.
5 are provided. Pressing means 75 is driven roller 70
Then, the printing paper 5 transported by the drive roller 71 is pressed against the outer peripheral surface of the mounting portion 62. The pressing means 75 has a pressing roller 76. The pressing roller 76 is attached to the mounting portion 6.
It is rotatable about a support shaft 77 parallel to the second rotation shaft 63. Both ends of the support shaft 77 are movably guided by a vertical groove 78 formed in the frame 61, and are movable in the vertical direction. The pressing means 75 has a mechanism for releasing the pressing roller 76. The release mechanism is provided on a rotatable operation shaft 79 provided on the frame 61, an operation lever 80 provided on one end of the operation shaft 79 outside the frame 61, and an operation shaft 79 in the frame 61. Press roller 76
And an operation cam 81 that comes into contact with the support shaft 77.
Normally, the pressing roller 76 is provided at a position of the mounting section 62 that is substantially in contact with the stencil printing plate 31. This is the position for printing. When a problem such as the printing paper 5 is jammed occurs, the operation lever 80 is rotated to lower the pressing roller 76, and a necessary space is provided between the pressing roller 76 and the mounting portion 62.

Next, the operation of the stencil printing apparatus 60 will be described. The stencil printing plate 31 shown in FIG. 6 is mounted on the outer peripheral surface of the mounting portion 62. That is, as shown in FIG. 7, the stencil printing plate 31 is rolled into a substantially cylindrical shape, and the outer peripheral surface of the mounting portion 62 is inserted so that the holding portion 65 on the outer peripheral surface of the mounting portion 62 enters the frame 43. Attach to The adhesive layer 44 of the frame 43 is attached to the outer peripheral surface of the mounting portion 62, and fixes the stencil printing plate 31 to the mounting portion 62.

The operation lever 80 is set at a position as shown in FIG. The operation cam 81 is connected to the support shaft 77 of the pressing roller 76.
, And an appropriate space is provided between the pressing roller 76 and the mounting portion 62. The handle 64 is turned to rotate the mounting portion 62. Paper feed rollers 66, 6
7 and the drive roller 71 interlock with this. The printing paper 5 is fed between the paper feed rollers 66 and 67 from the rear side of the frame 61. The printing paper 5 is carried to the paper feed rollers 66 and 67,
The driven roller 70 and the frame 61 of the solvent application cassette 69
And is fed between the drive rollers 71 of the printer. A solvent is applied to the upper surface of the printing paper 5 while being transported by the driving roller 71 and the driven roller 70. The printing paper 5 to which the solvent has been applied is sent between the mounting portion 62 and the pressing roller 76.

The printing paper 5 is sandwiched between the stencil printing plate 31 of the mounting portion 62 and the pressing roller 76. The pressing roller 76 presses the printing paper 5 against the stencil printing plate 31.
The upper surface of the printing paper 5 and the film 42 of the stencil printing plate 31 come into close contact with each other. At this time, an interval between the pressing roller 76 and the mounting portion 62 is set so that the holding portion 65 holding the stencil printing plate 31 from the back side is slightly pressed by the pressing roller 76. By doing so, the contact state between the printing paper 5 and the stencil printing plate 31 is stabilized.

The solvent applied to the printing paper 5 moves to the surface of the ink layer 51 of the porous support 41 through the plate making section 46 of the film 42, and dissolves a part of the ink layer 51. The solvent-soluble coloring material ink contained in the dissolved ink layer 51 is transferred onto the printing paper 5 through the holes of the film 42. A stencil image corresponding to the plate image is formed on the printing paper 5. The printed printing paper 5 is discharged to the front of the frame 61 from between the mounting portion 62 and the pressing roller 76.

According to the present example, a normal stencil sheet 40 for stencil printing composed of a porous support 41 and a film 42 is used.
Can be used to prepare a stencil printing plate precursor of the present invention having a solid ink layer. In addition, if a multicolor solid ink is used according to the user's preference, a stencil printing plate capable of performing multicolor printing on one plate can be produced.

Next, a fourth embodiment of the present invention will be described with reference to FIGS. Stencil printing plate 9 of this example
0 is made by the user himself using a stencil sheet 91 and a solid ink sheet 92 containing a solvent-soluble coloring material ink. The stencil sheet 91 shown in FIG. 8 has a film 93 bonded to a frame 94. The frame body 94 is rectangular and has flexibility. An adhesive layer of a pressure-sensitive adhesive is formed on the surface of the frame body 94, and is covered with a release paper 95.

The solid ink sheet 92 shown in FIGS. 8 and 9
Are provided with a solid ink 96 containing the solvent-soluble coloring material ink described in each of the above examples on one surface of a sheet-like base material 97. A coating layer 98 is formed on the surface of the solid ink 96, so that the solid ink 96 does not stain the hands of the operator during work. However, since this coating layer 98 is melted by a solvent, there is no problem in printing. A perforation 99 is provided on the solid ink sheet 92, and the perforation 9 has a size that is easy to use at the time of use.
9 can be cut.

The stencil sheet 91 is made. The plate making method may be the same as the example shown in FIG. 5, or a thermal plate making means such as a thermal head may be used. As shown in FIG.
On the stencil sheet 91, on the side of the frame 94, a solid ink sheet 92 cut to an appropriate size is placed only on the portion where the stencil is made,
The coating is applied by the adhesiveness of the coating layer 98. Subsequent printing methods are the same as the examples shown in FIGS.

FIG. 10 shows a modification of the solid ink sheet of this embodiment. The solid ink sheet 100 includes a base material 97,
A solid ink 96 provided on one side of the base material 97, and a weak adhesive layer 101 formed in a dot shape on the surface of the solid ink 96;
There is a release paper 102 covering the weak adhesive layer. At the time of use, the release paper 102 is peeled off and attached to the film 93 of the stencil sheet 91.

[0071]

According to the present invention, a printing paper coated with a solvent is brought into close contact with a plate-formed film that is closely adhered to an ink layer, and the ink layer is dissolved with the solvent to transfer the colorant ink to the printing paper. I have. According to this configuration, the necessary amount of ink is transferred to the printing paper, so that there is an effect that a printed matter without show-through is obtained.

Further, according to the present invention, since the ink layer is in a solid state, there is no danger of leakage at all.

Further, according to the present invention, since the portion (film) constituting the image and the ink (ink layer) are integrated, there is no need for an ink supply mechanism inside the apparatus. Compared with a conventional stencil printing apparatus, the structure of a mechanism for feeding and discharging a plate can be simplified, and replacement of consumables can be simplified.

[Brief description of the drawings]

FIG. 1 is a cross-sectional view of a stencil printing plate and printing paper according to a first example of an embodiment of the present invention.

FIG. 2 is a cross-sectional view of a stencil printing plate and printing paper in close contact in a first example of an embodiment of the present invention.

FIG. 3 is a sectional view of a stencil printing apparatus according to a second example of the embodiment of the present invention.

FIG. 4 is a perspective view showing a process of manufacturing a stencil printing plate according to a third embodiment of the present invention.

FIG. 5 is a cross-sectional view showing a process of manufacturing a stencil printing plate according to a third embodiment of the present invention.

FIG. 6 is a cross-sectional view showing a process of manufacturing a stencil printing plate according to a third embodiment of the present invention.

FIG. 7 is a perspective view of a stencil printing apparatus according to a third embodiment of the present invention.

FIG. 8 is a perspective view illustrating a manufacturing process of a stencil printing plate according to a fourth example of an embodiment of the present invention.

FIG. 9 is a sectional view of a stencil printing plate according to a fourth embodiment of the present invention.

FIG. 10 is a sectional view of a stencil printing plate according to a fourth embodiment of the present invention.

[Explanation of symbols]

 REFERENCE SIGNS LIST 1 stencil printing plate 2 base material 3 ink layer 4 film 5 printing paper 10 stencil printing device 11 plate cylinder 12 supply unit 15 supply opening 17 collection opening 19 collection unit 21 paper supply means 22, 23 paper supply roller 24 as solvent supply means Solvent supply roller 26 Pressing means 27 Pressure roller 28 Thermal head as thermal plate making means 40 Stencil paper 41 Porous support 42 Film 43 Frame 44 Adhesive layer 45 Release paper 50, 96 Solid ink 51 Ink layer 60 Stencil printing machine 65 Holding section 66, 67 Paper feed roller as paper feeding means 69 Solvent application cassette as solvent supply means 70 Driven roller as paper feeding means 71 Driving roller 75 as paper feeding means 75 Pressing means 76 Pressing roller 90 Stencil printing plate 92, 100 solid ink sheet

Claims (16)

    [Claims]
  1. A plate-formed film provided in close contact with an ink layer containing a solvent-soluble coloring material ink, and a printing paper coated with a solvent capable of dissolving the solvent-soluble coloring material ink, are brought into close contact with each other. Dissolving a part of the ink layer by supplying a solvent applied to the printing paper to the ink layer through a plate making section of the film, and transferring the solvent-soluble coloring material ink onto the printing paper. A stencil printing method characterized by performing.
  2. 2. A stencil printing plate having an ink layer containing a solvent-soluble coloring material ink and a film provided in close contact with the surface of the ink layer.
  3. 3. The stencil printing plate precursor according to claim 2, wherein the ink layer is provided on a base material.
  4. 4. The stencil printing plate precursor according to claim 2, wherein the ink layer is a porous support containing the solvent-soluble coloring material ink, and the film is adhered to the porous support.
  5. 5. The bonded porous support and the film are stretched on one surface of a flexible frame, and the other surface of the frame is an adhesive protected by release paper. The stencil printing plate precursor according to claim 4, wherein a layer is provided.
  6. 6. A method for producing a stencil printing plate precursor, wherein a fluid material containing a solvent-soluble coloring material ink is applied to one surface of a film and solidified.
  7. 7. The stencil according to claim 6, wherein a fluid material containing a solvent-soluble coloring material ink is applied to the porous support of a stencil sheet having a porous support and a film adhered, and solidified. Manufacturing method of printing original plate.
  8. 8. A stencil printing plate for applying a fluid material containing a solvent-soluble coloring material ink to one surface of a substrate and a film, applying the other of the substrate and the film to the material, and solidifying the material. Manufacturing method.
  9. 9. A method for producing a stencil printing plate precursor, wherein said stencil sheet having at least a film is made into a plate, and a solid material containing a solvent-soluble coloring material ink is provided on a portion of the stencil sheet where the film is formed.
  10. 10. The method for producing a stencil printing plate precursor according to claim 9, wherein the solid material is applied from one side of the plate-making portion of the film, and the solid material is filled in the plate-making portion of the film. .
  11. 11. The solid ink sheet according to claim 1, wherein the solid material is a solid ink sheet provided with a solid ink containing a solvent-soluble coloring material ink on one surface of a sheet-like substrate, and one surface of a plate-formed portion of the film. 10. The method according to claim 9, wherein the solid ink sheet is provided.
    The method for producing the stencil printing plate precursor described in the above.
  12. 12. A stencil printing plate having a film adhered to the surface of an ink layer containing a solvent-soluble coloring material ink, wound around an outer peripheral surface, and a plate cylinder rotatable around its own central axis, A solvent supply unit that supplies a solvent capable of dissolving the solvent-soluble colorant ink to printing paper, a paper feeding unit that supplies the printing paper to the plate cylinder, and the printing paper that is supplied by the paper feeding unit. A stencil printing machine comprising: pressing means for pressing against an outer peripheral surface of a printing drum.
  13. 13. The stencil printing plate is housed in the plate cylinder, the stencil printing plate is supplied from the inside, wound around the outer peripheral surface, and collected inside. A stencil printing apparatus as described in the above.
  14. 14. A supply unit provided inside the plate cylinder for winding the unused stencil printing plate precursor, and the unused stencil printing plate unreeled from the supply unit is placed outside the plate cylinder. A supply opening provided in the peripheral wall of the plate cylinder to guide the peripheral wall of the plate cylinder so as to guide the stencil printing plate wound around the outer peripheral surface of the plate cylinder and subjected to printing into the plate cylinder; The stencil printing apparatus according to claim 13, further comprising: a collection opening provided in the stencil; and a collection unit provided in the plate cylinder for winding the used stencil printing plate.
  15. 15. The stencil printing machine according to claim 14, further comprising plate making means provided near said plate cylinder for making a film of said stencil printing plate.
  16. 16. The stencil printing plate is a stencil sheet comprising a porous support on which the ink layer is formed and a heat-sensitive film adhered to the porous support. A flexible frame is provided on the side of the body, an adhesive layer adhered to an outer peripheral surface of the plate cylinder is provided on the frame, and an inner surface of the frame is provided on an outer peripheral surface of the mounting portion. 13. The stencil printing machine according to claim 12, further comprising a holding portion having an outer shape and a thickness corresponding to the shape and the thickness, the holding portion being in contact with the porous support.
JP15126797A 1997-06-09 1997-06-09 Stencil printing method, stencil printing original plate, manufacture of the original plate, and stencil printer Pending JPH10337839A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP15126797A JPH10337839A (en) 1997-06-09 1997-06-09 Stencil printing method, stencil printing original plate, manufacture of the original plate, and stencil printer

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
JP15126797A JPH10337839A (en) 1997-06-09 1997-06-09 Stencil printing method, stencil printing original plate, manufacture of the original plate, and stencil printer
US09/083,951 US6035778A (en) 1997-06-09 1998-05-26 Stencil printing method and machine, stencil printing plate and method of producing the same
DE69802868T DE69802868D1 (en) 1997-06-09 1998-06-04 Stencil printing method and device and stencil and method for its production
EP19980304434 EP0884174B1 (en) 1997-06-09 1998-06-04 Stencil printing method and machine, stencil printing plate and method of producing the same

Publications (1)

Publication Number Publication Date
JPH10337839A true JPH10337839A (en) 1998-12-22

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JP15126797A Pending JPH10337839A (en) 1997-06-09 1997-06-09 Stencil printing method, stencil printing original plate, manufacture of the original plate, and stencil printer

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US (1) US6035778A (en)
EP (1) EP0884174B1 (en)
JP (1) JPH10337839A (en)
DE (1) DE69802868D1 (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3512345B2 (en) * 1998-10-14 2004-03-29 理想科学工業株式会社 Stencil printing method, apparatus and stencil
FR2816545B1 (en) * 2000-11-16 2003-08-15 Grosfillex Sarl Method and installation for printing by screen printing, ink printing
US8557758B2 (en) 2005-06-07 2013-10-15 S.C. Johnson & Son, Inc. Devices for applying a colorant to a surface
US8061269B2 (en) 2008-05-14 2011-11-22 S.C. Johnson & Son, Inc. Multilayer stencils for applying a design to a surface
US9193144B2 (en) 2009-04-10 2015-11-24 Procraft Development B.V. Composite stencils, methods of making, and methods of decorating with composite stencils
US20100258014A1 (en) * 2009-04-10 2010-10-14 Van Heijningen Dirk Jan Composite Stencils, Methods of Making, and Methods of Decorating with Composite Stencils

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3149563A (en) * 1961-05-12 1964-09-22 Minnesota Mining & Mfg Stencil-forming sheet material assembly
US3979550A (en) * 1974-01-18 1976-09-07 The Mazer Corporation Pre-printed latent image spirit duplicating masters
US4304183A (en) * 1978-06-26 1981-12-08 A. B. Dick Company Latent image-multiple copy process
JPS6184279A (en) * 1984-10-02 1986-04-28 Fuji Photo Film Co Ltd Stencil printing using heat-fusible ink, and heat-fusible ink sheet
DE4224332A1 (en) * 1992-07-23 1994-01-27 Heidelberger Druckmasch Ag Plate cylinder for offset rotary printing press - has optical or electrical image system for printing film and film replacement by take-up roll from roll of fresh film
GB2273908B (en) * 1992-12-29 1997-07-23 Ricoh Kk Printer using stencil and method of wrapping stencil around drum
JPH0885249A (en) * 1994-09-16 1996-04-02 Riso Kagaku Corp Recording apparatus
DE19617217A1 (en) * 1996-04-30 1997-11-06 Heidelberger Druckmasch Ag Forme cylinder for a printing machine

Also Published As

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DE69802868D1 (en) 2002-01-24
EP0884174A3 (en) 1999-03-03
EP0884174B1 (en) 2001-12-12
US6035778A (en) 2000-03-14
EP0884174A2 (en) 1998-12-16

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